30825 (1990 TG1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6809203473 ± 2.83e-09
Semi-major axis (a)2.4362810357 AU ± 4.82e-10
Inclination (i)8.73644388° ± 8.51e-07
Long. of Asc. Node (Ω)205.01518997° ± 5.97e-06
Arg. of Perihelion (ω)33.67138835° ± 5.96e-06
Mean Anomaly (M)144.17930526° ± 5.95e-07
Mean Motion (n)0.2591917651°/day ± 7.69e-11
Perihelion dist (q)0.77736771 AU ± 6.90e-09
Aphelion dist (Q)4.09519436 AU ± 6.95e-09
Orbital Period3.80269135 yr ± 1.13e-09
Physical Parameters
H (abs. magnitude)14.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.198″
Uncertainty0
Orbit TypeApollo
MOID0.069625 AU
Observations Used3131
Radar Obs Used2
Oppositions11
Arc Total1990-2026
First Observation Used1990-09-16
Last Observation Used2026-01-09
Observations (3512)
Date Type RA Dec Mag Band Observatory
2001-08-28 20:05:47 C 15 51 44.14 -01 55 58.2 c 198
2001-08-28 20:08:59 C 15 51 45.21 -01 56 01.7 c 198
2001-09-02 19:32:57 C 16 29 46.89 -03 58 38.1 151
2001-09-02 19:35:02 C 16 29 47.51 -03 58 40.4 151
2001-09-02 19:39:25 C 16 29 48.90 -03 58 43.6 151
2001-09-02 19:41:26 C 16 29 49.51 -03 58 46.2 151
2001-09-02 19:50:20 C 16 29 52.25 -03 58 54.6 151
2001-09-02 19:54:21 C 16 29 53.58 -03 58 58.8 151
2001-09-15 04:02:35 C 17 53 22.82 -07 54 25.2 c 642
2001-09-15 04:04:05 C 17 53 23.21 -07 54 25.9 c 642
2001-09-15 04:10:24 C 17 53 24.76 -07 54 30.2 c 642
2001-09-15 04:11:55 C 17 53 25.11 -07 54 30.7 c 642
2001-09-15 04:13:26 C 17 53 25.52 -07 54 31.8 c 642
2001-09-16 20:26:30 C 18 03 18.18 -08 17 46.6 c 952
2001-09-16 20:33:12 C 18 03 19.78 -08 17 50.3 c 952
2001-09-16 20:36:34 C 18 03 20.57 -08 17 52.1 c 952
2001-09-16 20:44:50 C 18 03 22.52 -08 17 56.6 c 952
2001-09-16 20:48:34 C 18 03 23.44 -08 17 58.8 c 952
2001-09-16 20:54:16 C 18 03 24.80 -08 18 02.1 c 952
2001-09-18 18:19:07 C 18 14 08.79 -08 41 53.6 d 151
2001-09-18 18:21:18 C 18 14 09.29 -08 41 54.4 d 151
2001-09-18 18:25:25 C 18 14 10.22 -08 41 56.4 d 151
2001-09-18 18:32:51 C 18 14 11.89 -08 42 00.2 d 151
2001-09-18 18:36:25 C 18 14 12.69 -08 42 01.8 d 151
2001-09-18 18:39:10 C 18 14 13.34 -08 42 03.2 d 151
2001-09-22 11:22:28 C 18 33 54.68 -09 21 37.0 d 347
2001-09-22 11:31:19 C 18 33 56.57 -09 21 40.9 d 347
2001-10-11 02:19:39 C 19 52 12.04 -10 52 54.4 18.3 c 704
2001-10-11 02:43:10 C 19 52 15.14 -10 52 57.5 19.2 c 704
2001-10-11 03:06:38 C 19 52 18.63 -10 52 56.9 18.1 c 704
2001-10-11 03:30:05 C 19 52 22.03 -10 52 57.5 18.1 c 704
2001-10-11 03:53:34 C 19 52 25.37 -10 52 58.1 18.1 c 704
2001-10-11 18:16:13 C 19 54 29.08 -10 53 40.6 d 151
2001-10-11 18:21:59 C 19 54 29.93 -10 53 41.2 d 151
2001-10-11 18:24:26 C 19 54 30.27 -10 53 41.2 d 151
2001-10-11 18:28:09 C 19 54 30.78 -10 53 41.3 d 151
2001-10-11 18:30:57 C 19 54 31.18 -10 53 41.4 d 151
2001-10-14 02:01:52 C 20 02 15.86 -10 55 20.1 16.7 c 704
2001-10-14 02:24:54 C 20 02 18.93 -10 55 20.8 16.9 c 704
2001-10-14 02:47:55 C 20 02 22.06 -10 55 20.5 18.0 c 704
2001-10-14 03:10:54 C 20 02 25.12 -10 55 21.3 17.3 c 704
2001-10-14 03:33:57 C 20 02 28.21 -10 55 21.4 17.1 c 704
2001-10-15 01:55:37 C 20 05 30.16 -10 55 34.8 18.0 c 704
2001-10-15 02:18:50 C 20 05 33.22 -10 55 35.7 17.7 c 704
2001-10-15 02:41:56 C 20 05 36.24 -10 55 36.0 17.5 c 704
2001-10-15 03:04:57 C 20 05 39.34 -10 55 35.8 17.6 c 704
2001-10-15 03:28:45 C 20 05 42.51 -10 55 36.6 17.4 c 704
2001-10-15 18:10:03 C 20 07 40.26 -10 55 38.0 c 198
2001-10-15 18:19:58 C 20 07 41.58 -10 55 38.0 c 198
2001-10-15 18:46:03 C 20 07 45.00 -10 55 38.0 c 198
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-04-18 15:03:00 -200938.8659 2 Hz 2380 -1 -1
2005-04-18 15:56:00 189568822.48 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)